# SDR DXTA2023110710000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2023
- Submitted: November 7, 2023
- Operation: Air carrier
- Aircraft: [N508QS](https://openairdocs.org/aircraft/N508QS), registered now
- Make and model: Cessna 680A
- Registry model: [Cessna 680A](https://openairdocs.org/model/cessna-680a) (OpenAirDocs)
- Aircraft serial: 680A0014
- Aircraft time: 4,781 hours, 3,147 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: CBS281
- Part serial: 5415M000367
- Condition: Inoperative
- Location: Emergency Lights
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023110710000

## Discrepancy

EMERGENCY  LIGHTING ASSOCIATED WITH BATTERY PACK NUMBER 3 ARE INOPERABLE.  AFTER TROUBLESHOOTING IAW TC-FLT-33-1001, NOTED ALL EMERGENCY LIGHTS ASSOCIATED WITH #2 AND #3 BATTERY PACKS INOPERATIVE.  REMOVED AND REPLACED #2 AND #3 EMERGENCY LIGHTING BATTERY PACKS IAW CE680A MM 33-50-06. PERFORMED EMERGENCY OPERATIONAL CHECK IAW CE680A MM CH. 33-50-00. ALL LIGHTING ASSOCIATED WITH THE #2 AND #3 BATTERY PACKS OPS CHECKED GOOD.

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